Home / 7,644.09-10,548.38-4,286.66

Finding the Fourth Proportional to 7,644.09, 10,548.38 and 4,286.66

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Solution

The fourth proportional to 7,644.09, 10,548.38 and 4,286.66 is: 5,915.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,644.09 : 10,548.38 = 4,286.66 : x
  2. Step 2: Convert to fraction form
    7,644.09/10,548.38 = 4,286.66/x
  3. Step 3: Cross multiply
    7,644.09x = 10,548.38 × 4,286.66
  4. Step 4: Simplify right side
    7,644.09x = 45,217,323.55
  5. Step 5: Solve for x
    x = 45,217,323.55/7,644.09
  6. Step 6: Final answer
    x = 5,915.33

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.